Home / 130,374.95-195,428.21-74,094.84

Finding the Fourth Proportional to 130,374.95, 195,428.21 and 74,094.84

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Solution

The fourth proportional to 130,374.95, 195,428.21 and 74,094.84 is: 111,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,374.95 : 195,428.21 = 74,094.84 : x
  2. Step 2: Convert to fraction form
    130,374.95/195,428.21 = 74,094.84/x
  3. Step 3: Cross multiply
    130,374.95x = 195,428.21 × 74,094.84
  4. Step 4: Simplify right side
    130,374.95x = 14,480,221,580.96
  5. Step 5: Solve for x
    x = 14,480,221,580.96/130,374.95
  6. Step 6: Final answer
    x = 111,065.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.